#305B77

#305B77

Color Values

HEX

#305B77

RGB

48, 91, 119

HSL

203.7, 42.5%, 32.7%

HSV

203.7, 59.7%, 46.7%

CMYK

59.7%, 23.5%, 0.0%, 53.3%

OKLCH

0.4527 0.0664 239.1

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#305B77

#774C30

Analogous

#30776F

#303777

#305B77

Triadic

#305B77

#77305B

#5B7730

Split Complementary

#305B77

#773037

#776F30

Tetradic

#305B77

#6F3077

#774C30

#377730

Color Blindness Simulation

Original

#305B77

Protanopia

#434370

Deuteranopia

#403D6F

Tritanopia

#326B6A

Achromatopsia

#545454

CSS Usage

background-color: #305B77;
color: #305B77;
border-color: #305B77;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F8FA
100
#E7EFF4
200
#CCDEEA
300
#A8C7DC
400
#79A9C9
500
#498BB6
600
#3B6F91
700
#2F5974
800
#25455B
900
#1E3443
950
#13212A

Contrast Checker

Text on white

7.27:1

AA Pass AAA Pass

Text on black

2.89:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026